SICK WLG4S-3F3435V Miniature Photoelectric Sensor

Selling Points

1Detects objects with precision up to 5 meters using photoelectric retro-reflective technology.
2Suitable for hygienic and washdown zones with a stainless steel housing and IP66/67/68/69K ratings.
3Provides reliable PNP switching output for efficient control in industrial applications.
4Ensures accurate detection without a reflector, ideal for transparent object detection.
5Built with stainless steel housing and a PinPoint LED light source for long-lasting performance.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range max.	0 m ... 5 m	Sensing range	0 m ... 3 m
Polarisation filters	Yes	Emitted beam_Light source	PinPoint LED2)
Emitted beam_Type of light	Visible red light	Emitted beam_Light spot size (distance)	Ø 45 mm (1.5 m)
Key LED figures_Wave length	650 nm	Adjustment	Cable
Special applications	Hygienic and washdown zones, Detecting transparent objects	Housing design	Washdown
AutoAdapt	✔	Supply voltage UB	10 V DC ... 30 V DC
Ripple	< 5 V	Current consumption	30 mA
Protection class	III	Digital output_Type	PNP
Digital output_Switching mode	Dark switching	Digital output_Output current Imax.	≤ 100 mA
Digital output_Response time	< 0.5 ms4)	Digital output_Switching frequency	1,000 Hz5)
Attenuation along light beam	> 8 %	Circuit protection	A, B, C
Housing	Rectangular	Design detail	Slim
Dimensions (W x H x D)	15.25 mm x 49.2 mm x 22.2 mm	Connection	Cable with M12 male connector, 4-pin
Connection detail_Length of cable (L)	150 mm2)	Material_Housing	Stainless steel, Stainless steel V4A (1.4404, 316L)
Material_Front screen	Plastic, PMMA	Material_Cable	Plastic, PVC
Weight	60 g

Specifications may be subject to change without notice